Patents by Inventor Taisuke Nagasaki
Taisuke Nagasaki has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240045166Abstract: An optical module includes an optical component, a substrate including a main surface, a mount portion provided on the main surface of the substrate, and at least one measurement reference portion provided on the main surface of the substrate at a position apart from the mount portion. The substrate mounts the optical component thereon. The mount portion is configured to mount the optical component thereon. The measurement reference portion includes a reference point that becomes a height reference when measuring a mount height of the optical component.Type: ApplicationFiled: July 12, 2023Publication date: February 8, 2024Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Kensaku SHIMADA, Takeshi INOUE, Taisuke NAGASAKI, Toshihisa YOKOCHI
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Publication number: 20240045150Abstract: An optical module includes a substrate including a main surface, an optical component including a bottom surface, and a first side surface and a second side surface each extending in a direction intersecting the bottom surface and facing each other, and an adhesion portion fixing the optical component to the substrate. The optical component is mounted on the substrate such that the bottom surface faces the main surface. In this optical module, the adhesion portion includes a plurality of first adhesion portions provided along the first side surface and a plurality of second adhesion portions provided along the second side surface.Type: ApplicationFiled: July 12, 2023Publication date: February 8, 2024Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Kensaku SHIMADA, Takeshi INOUE, Taisuke NAGASAKI, Toshihisa YOKOCHI
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Publication number: 20230384531Abstract: A coupling member for coupling an optical component to a connector in a first direction is disclosed. The coupling member includes a locking portion that extends in a second direction intersecting the first direction, the coupling member being configured to be locked to the optical component, an elastic portion configured to press the connector toward the optical component in the first direction, and a connecting portion that connects the locking portion to the elastic portion. The elastic portion is movable outward of the connector in a planar direction defined by the first direction and the second direction.Type: ApplicationFiled: May 25, 2023Publication date: November 30, 2023Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Taisuke NAGASAKI, Takeshi INOUE, Kensaku SHIMADA, Toshihisa YOKOCHI
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Publication number: 20230384544Abstract: An optical connector module connected to an optical component is disclosed. The optical connector includes at least one optical fiber, a connector that holds the optical fiber, the connector being configured to be connected to the optical component in a first direction, and a connecting member configured to maintain a connected state between the connector and the optical component when the connector is connected to the optical component. The connecting member is configured to rotate in contact with the connector and to be engaged with each of the connector and the optical component.Type: ApplicationFiled: May 26, 2023Publication date: November 30, 2023Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Taisuke NAGASAKI, Takeshi INOUE, Kensaku SHIMADA, Toshihisa YOKOCHI
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Patent number: 11698504Abstract: An optical connector cable including an optical cable, a first resin member, and a second resin member is disclosed. The optical cable includes a plurality of optical fibers and a sheath surrounding the plurality of optical fibers. End portions of the plurality of optical fibers extend to the outside from an end surface of the sheath. The first resin member holds the end portions of the plurality of optical fibers extending to the outside from the end surface of the sheath. The second resin member covers at least a part of the first resin member and an end portion of the sheath.Type: GrantFiled: October 7, 2021Date of Patent: July 11, 2023Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Taisuke Nagasaki, Toshihisa Yokochi
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Patent number: 11656415Abstract: Disclosed is an optical connector cable including a plurality of optical fibers, a lens module, and an adhesive portion. Each of the plurality of optical fibers extends in a first direction. The lens module includes a placement structure configured to place the plurality of optical fibers thereon in order in a second direction intersecting the first direction and a plurality of lenses optically coupled to tip ends of the plurality of optical fibers. The adhesive portion fixes the plurality of optical fibers to the placement structure with an adhesive. The adhesive portion includes a first adhesive portion located near the tip ends of the plurality of optical fibers and a second adhesive portion located behind the first adhesive portion in the first direction. The second adhesive portion has a Young's modulus higher than that of the first adhesive portion.Type: GrantFiled: February 23, 2022Date of Patent: May 23, 2023Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Taisuke Nagasaki, Takeshi Inoue, Toshihisa Yokochi
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Patent number: 11460653Abstract: An optical-electric composite cable includes a cable unit, at least one metal wire, and a sheath. The cable unit includes at least one optical fiber and a twisted pair wire twisted with the at least one optical fiber. The at least one metal wire is disposed around the cable unit. The sheath surrounds the cable unit and the at least one metal wire.Type: GrantFiled: February 5, 2021Date of Patent: October 4, 2022Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Hiroki Ishikawa, Yasuhiro Maeda, Taisuke Nagasaki, Takeshi Inoue, Tatsuhiko Naito
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Publication number: 20220283388Abstract: Disclosed is an optical connector cable including a plurality of optical fibers, a lens module, and an adhesive portion. Each of the plurality of optical fibers extends in a first direction. The lens module includes a placement structure configured to place the plurality of optical fibers thereon in order in a second direction intersecting the first direction and a plurality of lenses optically coupled to tip ends of the plurality of optical fibers. The adhesive portion fixes the plurality of optical fibers to the placement structure with an adhesive. The adhesive portion includes a first adhesive portion located near the tip ends of the plurality of optical fibers and a second adhesive portion located behind the first adhesive portion in the first direction. The second adhesive portion has a Young's modulus higher than that of the first adhesive portion.Type: ApplicationFiled: February 23, 2022Publication date: September 8, 2022Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Taisuke NAGASAKI, Takeshi INOUE, Toshihisa YOKOCHI
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Publication number: 20220146774Abstract: An optical connector cable including an optical cable, a first resin member, and a second resin member is disclosed. The optical cable includes a plurality of optical fibers and a sheath surrounding the plurality of optical fibers. End portions of the plurality of optical fibers extend to the outside from an end surface of the sheath. The first resin member holds the end portions of the plurality of optical fibers extending to the outside from the end surface of the sheath. The second resin member covers at least a part of the first resin member and an end portion of the sheath.Type: ApplicationFiled: October 7, 2021Publication date: May 12, 2022Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Taisuke NAGASAKI, Toshihisa YOKOCHI
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Publication number: 20220107476Abstract: An optical connector cable includes a plurality of optical fibers, a lens module, and an adhesive. The plurality of optical fibers extend in a first direction. The lens module has a placement portion, a facing surface, and a plurality of lenses. The placement portion places end portions of the plurality of optical fibers thereon in order in a second direction intersecting the first direction. The facing surface faces distal end surfaces of the plurality of optical fibers. The plurality of lenses are optically coupled to the plurality of optical fibers through the facing surface. The adhesive fixes the plurality of optical fibers to the placement portion. The plurality of optical fibers are placed on the placement portion such that the distal end surfaces are separated from the facing surface by predetermined distances, and a part of the adhesive enters spaces between the distal end surfaces and the facing surface.Type: ApplicationFiled: October 1, 2021Publication date: April 7, 2022Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Takeshi INOUE, Taisuke NAGASAKI
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Publication number: 20210263249Abstract: An optical-electric composite cable includes a cable unit, at least one metal wire, and a sheath. The cable unit includes at least one optical fiber and a twisted pair wire twisted with the at least one optical fiber. The at least one metal wire is disposed around the cable unit. The sheath surrounds the cable unit and the at least one metal wire.Type: ApplicationFiled: February 5, 2021Publication date: August 26, 2021Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Hiroki ISHIKAWA, Yasuhiro MAEDA, Taisuke NAGASAKI, Takeshi INOUE, Tatsuhiko NAITO
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Patent number: 10884207Abstract: An optical connector cable comprising an optical cable, a metal member, and a resin member is disclosed. The optical cable includes an optical fiber extending in a first direction, a tensile strength body provided along the optical fiber, and a jacket surrounding the optical fiber and tensile strength body. The optical fiber and the tensile strength body extend outside from an end of the jacket. The metal member includes a winding structure around which the tensile strength body extending outside from the end of the jacket is wound. The resin member holds the metal member and an extended portion of the optical fiber extended from the end of the jacket. The winding structure of the metal member is embedded in the resin member.Type: GrantFiled: May 7, 2019Date of Patent: January 5, 2021Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Taisuke Nagasaki, Toshihisa Yokochi
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Patent number: 10862379Abstract: A method for assembling a stator structure of a motor comprises providing a stator coil and a stator frame. The stator coil has a wire with an end segment and the stator frame includes a connector and a conductor. The conductor has an open-barrel crimping portion and a temporary holding portion. The method further comprises positioning the end segment of the wire in the crimping portion and a tip end of the end segment in the temporary holding portion. The method further comprises crimping the crimping portion to the end segment of the wire to electrically connect the connector and the end segment of the wire by penetrating an insulating coating of the end segment.Type: GrantFiled: May 31, 2017Date of Patent: December 8, 2020Assignee: Tyco Electronics Japan G.K.Inventors: Zhonghuan Shen, Keita Terajima, Taisuke Nagasaki
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Patent number: 10838154Abstract: An optical fiber cable is disclosed. The optical fiber cable comprises an optical cable including optical fibers and a sheath where the optical fibers are arranged in a first array, and a holder. The optical fibers have first extending parts that extend outside from the sheath, and second extending parts that extends from the first extending parts to the tips of the optical fibers. The holder comprises a first portion that houses therein transition portions where the first extending parts transitions from the first array to a second array, and a second portion that holds parts of the first extending parts in the second array. The second portion is configured to hold the first extending parts in a manner such that a mutual positional relationship among the second extending parts keeps the same state as a mutual positional relationship among the first extending parts at the second portion.Type: GrantFiled: October 16, 2018Date of Patent: November 17, 2020Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Taisuke Nagasaki, Takeshi Inoue, Toshihisa Yokochi
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Patent number: 10823922Abstract: An optical connector cable comprising an optical cable and a metal member is disclosed. The optical cable includes an optical fiber, a tensile strength body, and a jacket. The optical fiber extends along a first direction. The tensile strength body is provided along the optical fiber. The jacket surrounds the optical fiber and the tensile strength body in a circumferential direction. The optical fiber and the tensile strength body extend outside from an end of the jacket along the first direction. The metal member has a winding structure around which the tensile strength body extending outside from the end of the jacket is wound. The winding structure of the metal member is positioned outside from the end of jacket along the first direction.Type: GrantFiled: May 7, 2019Date of Patent: November 3, 2020Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Taisuke Nagasaki, Toshihisa Yokochi
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Patent number: 10684429Abstract: An optical component including an optical device, a substrate, and a lens component is disclosed. The substrate has a mounting surface on which the optical device is mounted and at least two reference marks are provided. The lens component is disposed on the substrate. The lens component includes a first surface, a second surface, a lens, at least two first transmission regions formed on the first surface, and at least two second transmission regions formed in positions facing the first transmission regions on the second surface. Each of the second transmission regions is smaller than the corresponding first transmission region. The lens component is attached to the substrate so that each of the second transmission regions is located within the corresponding first transmission region and each of the reference marks is located within the corresponding second transmission region when viewed along an observation direction orthogonal to the first surface.Type: GrantFiled: October 25, 2018Date of Patent: June 16, 2020Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Takeshi Inoue, Taisuke Nagasaki, Toshihisa Yokochi
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Publication number: 20190353860Abstract: An optical connector cable comprising an optical cable and a metal member is disclosed. The optical cable includes an optical fiber, a tensile strength body, and a jacket. The optical fiber extends along a first direction. The tensile strength body is provided along the optical fiber. The jacket surrounds the optical fiber and the tensile strength body in a circumferential direction. The optical fiber and the tensile strength body extend outside from an end of the jacket along the first direction. The metal member has a winding structure around which the tensile strength body extending outside from the end of the jacket is wound. The winding structure of the metal member is positioned outside from the end of jacket along the first direction.Type: ApplicationFiled: May 7, 2019Publication date: November 21, 2019Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Taisuke NAGASAKI, Toshihisa YOKOCHI
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Publication number: 20190353861Abstract: An optical connector cable comprising an optical cable, a metal member, and a resin member is disclosed. The optical cable includes an optical fiber extending in a first direction, a tensile strength body provided along the optical fiber, and a jacket surrounding the optical fiber and tensile strength body. The optical fiber and the tensile strength body extend outside from an end of the jacket. The metal member includes a winding structure around which the tensile strength body extending outside from the end of the jacket is wound. The resin member holds the metal member and an extended portion of the optical fiber extended from the end of the jacket. The winding structure of the metal member is embedded in the resin member.Type: ApplicationFiled: May 7, 2019Publication date: November 21, 2019Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Taisuke NAGASAKI, Toshihisa YOKOCHI
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Publication number: 20190129106Abstract: An optical component including an optical device, a substrate, and a lens component is disclosed. The substrate has a mounting surface on which the optical device is mounted and at least two reference marks are provided. The lens component is disposed on the substrate. The lens component includes a first surface, a second surface, a lens, at least two first transmission regions formed on the first surface, and at least two second transmission regions formed in positions facing the first transmission regions on the second surface. Each of the second transmission regions is smaller than the corresponding first transmission region. The lens component is attached to the substrate so that each of the second transmission regions is located within the corresponding first transmission region and each of the reference marks is located within the corresponding second transmission region when viewed along an observation direction orthogonal to the first surface.Type: ApplicationFiled: October 25, 2018Publication date: May 2, 2019Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Takeshi INOUE, Taisuke NAGASAKI, Toshihisa YOKOCHI
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Publication number: 20190121034Abstract: An optical fiber cable is disclosed. The optical fiber cable comprises an optical cable including optical fibers and a sheath where the optical fibers are arranged in a first array, and a holder. The optical fibers have first extending parts that extend outside from the sheath, and second extending parts that extends from the first extending parts to the tips of the optical fibers. The holder comprises a first portion that houses therein transition portions where the first extending parts transitions from the first array to a second array, and a second portion that holds parts of the first extending parts in the second array. The second portion is configured to hold the first extending parts in a manner such that a mutual positional relationship among the second extending parts keeps the same state as a mutual positional relationship among the first extending parts at the second portion.Type: ApplicationFiled: October 16, 2018Publication date: April 25, 2019Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Taisuke NAGASAKI, Takeshi INOUE, Toshihisa YOKOCHI